The phrase "a complicated tangle of" is correct and usable in written English.
It can be used to describe a situation, issue, or concept that is complex and difficult to unravel or understand.
Example: "The negotiations were a complicated tangle of conflicting interests and demands from both parties."
Alternatives: "a complex web of" or "a convoluted mix of".
The case was a complicated tangle of conflicting statements from all the suspects.
The result is a complicated tangle of pain and love, all of it ably and tenderly navigated.
If indeed the pictures have survived, they appear to have become bargaining chips in a complicated tangle of legal actions.
WITH Britain's general election under way, one thing is clear: the national picture masks a complicated tangle of dynamics among different groups of voters.
But a list of transition team members that his office made public on Friday includes a complicated tangle of ties to private influence-seekers.
Perhaps it is because computers, unlike telephones (which went wireless, or at least cordless, a few years ago), always seem to gather a complicated tangle of cables around them.
He reduces a vast, complicated tangle of problems to a single point source of evil: the Communist Party.
And yet, despite his guilt and melancholy, Haffner's sense of his own sexuality remains a complicated tangle.
Last week, I reported that The Pirate Bay's alleged power failure seemed to be caused by a much more complicated tangle of political happenings.
What we do has a reach, perhaps an enormous one, on a vast, remarkable, delicate and often complicated tangle of living beings, my children included.
It turns out that the courier service is more connected than you think: the scooters that will be doing the delivering for Gett are actually trainee black cab drivers, who have to spend a number of months learning London's complicated tangle of streets, and how to get from one to the other backwards and forwards — a body of study referred to as "The Knowledge".
